09/24/2026
A clinical assessment tool developed at UHN helped motivate Melissa Charpentier through a “very long and slow” recovery.
Melissa lives with spinal cord injury and partial paralysis, sustained in a 2013 car accident. Early in her recovery, typical tasks — from eating and personal care to independently repositioning her body — were a challenge.
Graded Redefined Assessment of Strength, Sensibility and Prehension (GRASSP) is a tool that measures hand and arm function in people living with tetraplegia, a form of paralysis that affects all four limbs and the torso following damage to the cervical (neck) spinal cord. It was created by Dr. Sukhvinder Kalsi-Ryan, a clinician-scientist at UHN’s KITE Research Institute.
Using real-life tasks, such as inserting a key into a lock, GRASSP helps measure incremental strength, sensation and grasping abilities in patients, like Melissa, who are recovering from spinal cord injuries.
For Melissa, who took part in a research study involving the tool at UHN’s Toronto Rehab Lyndhurst Centre, GRASSP was a positive experience compared to existing tests.
“It's a little more encouraging because, even if you're not completing the task, it gives you a breakdown of the task elements that you are able to accomplish, providing a more positive outlook," she said.
Read the full story at
At UHN, we strive to deliver Compassionate Care & Caring. Learn more about the services and supports that are available to you throughout your journey.